oracle enterprise manager ssl mode - getting rid of https

it is very easy, this comes handy when browsers does not support oem over https or when want fast response

emctl unsecure dbconsole

This will unsecure oracle enterprize manager and you get rid of https

export ORACLE_HOSTNAME=192.168.100.4
emctl unsecure dbconsole

Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0
Copyright (c) 1996, 2009 Oracle Corporation.  All rights reserved.
https://192.168.100.4:1158/em/console/aboutApplication
Configuring DBConsole for HTTP...   Done.
DBCONSOLE successfully stopped...   Done.
Agent is already stopped...   Done.
Unsecuring dbconsole...   Started.
DBConsole is now unsecured...  Done.
Unsecuring dbconsole...  Sucessful.
DBCONSOLE successfully restarted...   Done.